WATCH-CRAFT Mainspring 3273W for Longines 5LN, 8M, 8.68ABC, 15.18 - Alloy

WATCH-CRAFT alloy mainspring 3273W for Longines 15.18, 5LN, 5LNS, 8M, 8MS, 8.68ABC and perhaps other similar movements, typical Longines T-end, new in envelope. See images for precise mainspring specifications. I specialize in hard to find watch parts so I usually have whatever you might need and all watch parts are unconditionally guaranteed. Images do a pretty good job of representing the item.